Finding the Fourth Proportional to 2,132,624.28, 3,198,936.44 and 712,680.36
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Solution
The fourth proportional to 2,132,624.28, 3,198,936.44 and 712,680.36 is: 1,069,020.55
Step by Step Solution
- Step 1: Write the proportion equation
2,132,624.28 : 3,198,936.44 = 712,680.36 : x - Step 2: Convert to fraction form
2,132,624.28/3,198,936.44 = 712,680.36/x - Step 3: Cross multiply
2,132,624.28x = 3,198,936.44 × 712,680.36 - Step 4: Simplify right side
2,132,624.28x = 2,279,819,173,676.32 - Step 5: Solve for x
x = 2,279,819,173,676.32/2,132,624.28 - Step 6: Final answer
x = 1,069,020.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.